Fitness beam



FIG. 1 is a perspective view of a fitness beam, showing my new design;

FIG. 2 is a left-side elevational view of the invention, the right-side elevational view being a mirror image thereof;

FIG. 3 is a front elevational view of the invention, the rear elevational view being a mirror image thereof;

FIG. 4 is a top plan view of the invention; and,

FIG. 5 is a bottom plan view of the invention.

The broken lines in FIG. 5 represent a portion of the structure that forms no part of the claim. 

I claim the ornamental design for a fitness beam, as shown and described. 